/* Copyright (C) 2000-2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/* Functions to map mysqld errno to sql_state */

#include <my_global.h>
#include <mysqld_error.h>

struct st_map_errno_to_sqlstate
{
    uint mysql_errno;
    const char *odbc_state;
    const char *jdbc_state;
};

struct st_map_errno_to_sqlstate sqlstate_map[] =
{
#include <sql_state.h>
};

const char *mysql_errno_to_sqlstate(uint mysql_errno)
{
    uint first = 0, end = array_elements(sqlstate_map) - 1;
    struct st_map_errno_to_sqlstate *map;

    /* Do binary search in the sorted array */
    while (first != end)
    {
        uint mid = (first + end) / 2;
        map = sqlstate_map + mid;

        if (map->mysql_errno < mysql_errno)
            first = mid + 1;
        else
            end = mid;
    }

    map = sqlstate_map + first;

    if (map->mysql_errno == mysql_errno)
        return map->odbc_state;

    return "HY000";				/* General error */
}
